A lack of vitamin B12 (vitamin B12 deficiency) causes the signs and symptoms of pernicious anemia. Without enough vitamin B12, your body can't make enough healthy red blood cells, which causes anemia. Some of the signs and symptoms of pernicious anemia apply to all types of anemia. Other signs and symptoms are specific to a lack of vitamin B12.
Never understood why it's the norm for guys to wear watches on their left hand, and girls are supposed to wear them on the right hand. Date Posted: Apr 2, 2009 #2. Not gay. feminine.
Most people wore their watches on â¦their left wrists to make it easier to wind the watch with their right hand. With improvements in watches such as batteries and self-winding watches, the stem has become a way to set the watch, but is no longer needed for winding the watch each day.